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If there's one thing Matthew Mulligan learned during his journey through five NFL cities in five years, he said, it's that a little team bonding can go a long way to build camaraderie.

Since breaking into the league in 2008 as a practice-squad player for the Miami Dolphins and Tennessee Titans, the 6-foot-4, 267-pound tight end had stints with the New York Jets and St. Louis Rams before landing in Green Bay this offseason.

In each city, teams have balanced football and fun differently, but all understood how important it was to find equilibrium in the midst of sometimes grueling offseason ...